Home / 289,248.50-433,880.43-92,256.50

Finding the Fourth Proportional to 289,248.50, 433,880.43 and 92,256.50

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Solution

The fourth proportional to 289,248.50, 433,880.43 and 92,256.50 is: 138,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,248.50 : 433,880.43 = 92,256.50 : x
  2. Step 2: Convert to fraction form
    289,248.50/433,880.43 = 92,256.50/x
  3. Step 3: Cross multiply
    289,248.50x = 433,880.43 × 92,256.50
  4. Step 4: Simplify right side
    289,248.50x = 40,028,289,890.30
  5. Step 5: Solve for x
    x = 40,028,289,890.30/289,248.50
  6. Step 6: Final answer
    x = 138,387.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.